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Open another application from your own (intent)

...te an intent with action=MAIN and category=LAUNCHER Get the PackageManager from the current context using context.getPackageManager packageManager.queryIntentActivity(<intent>, 0) where intent has category=LAUNCHER, action=MAIN or packageManager.resolveActivity(<intent>, 0) to get the fi...
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How to call getClass() from a static method in Java?

...afe... Caution when using this in a Base Class that other classes inherit from: It is also worth noting that if this snippet is shaped as a static method of some base class then currentClass value will always be a reference to that base class rather than to any subclass that may be using that meth...
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How can I set NODE_ENV=production on Windows?

... they persist beyond just the single command prompt, you can find the tool from System in Control Panel (or by typing 'environment' into the search box in the start menu). share | improve this answe...
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How to check if an app is installed from a web-page on an iPhone?

... As far as I know you can not, from a browser, check if an app is installed or not. But you can try redirecting the phone to the app, and if nothing happens redirect the phone to a specified page, like this: setTimeout(function () { window.location = "ht...
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Reading a binary file with python

...o have something to unpack is pretty trivial: import struct data = open("from_fortran.bin", "rb").read() (eight, N) = struct.unpack("@II", data) This unpacks the first two fields, assuming they start at the very beginning of the file (no padding or extraneous data), and also assuming native byt...
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AngularJS : When to use service instead of factory

...k and give an explanation: http://docs.angularjs.org/guide/providers And from this page : "Factory and Service are the most commonly used recipes. The only difference between them is that Service recipe works better for objects of custom type, while Factory can produce JavaScript primitives a...
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How does OAuth 2 protect against things like replay attacks using the Security Token?

...nts occurs in OAuth 2 in order for Site-A to access User's information from Site-B . 8 Answers ...
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What's the difference between SoftReference and WeakReference in Java?

... From Understanding Weak References, by Ethan Nicholas: Weak references A weak reference, simply put, is a reference that isn't strong enough to force an object to remain in memory. Weak references allow you to ...
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How to pass boolean values to a PowerShell script from a command prompt

I have to invoke a PowerShell script from a batch file. One of the arguments to the script is a boolean value: 10 Answers ...
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Is Fortran easier to optimize than C for heavy calculations?

From time to time I read that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have. ...